Imazapyr, 100 µg/ml, Acetonitrile, 5ml

Sulfur Standard 1 Unit: 10mL screw cap bottle Chiron No. Matrix: Methanol Compound Concentration S-4072 Diethyl sulfide 0.5 ppm (w/w) Di-n-butyl sulfide 0.5 ppm (w/w)

Rimsulfuron, 1000μg/ml in Acetone, 1ml

Ethofumesate-2-keto, 10.0 µg/ml, Cyclohexane, 1m